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Viscoelastic Behavior of LY5052 Epoxy Resin in Rubberystate During Curling
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science. Swerea SICOMP.
Swerea SICOMP.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Material Science.
Number of Authors: 3
2016 (English)In: ECCM17 - 17th European Conference on Composite Materials, 2016, Vol. 2, 190-197 p.Conference paper (Refereed)
Abstract [en]

The aim of the presented work is to investigate the relationship between the rubbery modulus and thedegree of cure for partially to fully cured LY5052 epoxy resin. In particular, this work experimentallytests an existing model defined in shear modulus by redefining into the elastic tensile modulus.Experiments were performed in a Dynamic Mechanical and Thermal Analysis (DMTA) machine inthe frequency domain. After the model is tested, super-master curves generated using timetemperature-cure superposition are normalized using the model so that the rubbery modulus madeindependent on the state of cure, which further simplifies the super-master curves. This results in aunique master curve that describes the viscoelastic behavior of the LY5052 epoxy resin for the givenconditions. This consequently could help formulate simplified models to predict viscoelastic behaviourand also develop better experimental methodologies to characterize them

Place, publisher, year, edition, pages
2016. Vol. 2, 190-197 p.
Keyword [en]
Thermosetting resin, Curing, Mechanical properties, Thermal analysis, Viscoelasticity
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-59688ISBN: 978-3-00-053387-7OAI: oai:DiVA.org:ltu-59688DiVA: diva2:1034508
Conference
17th European Conference on Composite Materials, Munich, Germany, 26-30th June 2016
Available from: 2016-10-12 Created: 2016-10-12 Last updated: 2016-11-30Bibliographically approved

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